drivers/staging/rts5139/trace.h

   1 /* Driver for Realtek RTS51xx USB card reader
   2  * Header file
   3  *
   4  * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * Author:
  20  *   wwang (wei_wang@realsil.com.cn)
  21  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  22  * Maintainer:
  23  *   Edwin Rong (edwin_rong@realsil.com.cn)
  24  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  25  */
  26
  27 #ifndef __RTS51X_TRACE_H
  28 #define __RTS51X_TRACE_H
  29
  30 #include "debug.h"
  31
  32 #define _MSG_TRACE
  33
  34 #ifdef _MSG_TRACE
  35 static inline char *filename(char *path)
  36 {
  37         char *ptr;
  38
  39         if (path == NULL)
  40                 return NULL;
  41
  42         ptr = path;
  43
  44         while (*ptr != '\0') {
  45                 if ((*ptr == '\\') || (*ptr == '/'))
  46                         path = ptr + 1;
  47                 ptr++;
  48         }
  49
  50         return path;
  51 }
  52
  53 #define TRACE_RET(chip, ret)                                            \
  54 do {                                                                    \
  55         char *_file = filename((char *)__FILE__);                       \
  56         RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  57         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  58         strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  59                         __func__, MSG_FUNC_LEN-1);                      \
  60         strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  61                         _file, MSG_FILE_LEN-1);                         \
  62         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  63                         TIME_VAL_LEN);  \
  64         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  65         (chip)->msg_idx++;                                              \
  66         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  67                 (chip)->msg_idx = 0;                                    \
  68         }                                                               \
  69         return ret;                                                     \
  70 } while (0)
  71
  72 #define TRACE_GOTO(chip, label)                                         \
  73 do {                                                                    \
  74         char *_file = filename((char *)__FILE__);                       \
  75         RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  76         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  77         strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  78                         __func__, MSG_FUNC_LEN-1);                      \
  79         strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  80                         _file, MSG_FILE_LEN-1);                         \
  81         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  82                         TIME_VAL_LEN);                                  \
  83         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  84         (chip)->msg_idx++;                                              \
  85         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  86                 (chip)->msg_idx = 0;                                    \
  87         }                                                               \
  88         goto label;                                                     \
  89 } while (0)
  90 #else
  91 #define TRACE_RET(chip, ret)    return (ret)
  92 #define TRACE_GOTO(chip, label) goto label
  93 #endif
  94
  95 #ifdef CONFIG_RTS5139_DEBUG
  96 #define RTS51X_DUMP(buf, buf_len)                                       \
  97         print_hex_dump(KERN_DEBUG, RTS51X_TIP, DUMP_PREFIX_NONE,        \
  98                                 16, 1, (buf), (buf_len), false)
  99
 100 #define CATCH_TRIGGER(chip)                                     \
 101 do {                                                            \
 102         rts51x_ep0_write_register((chip), 0xFC31, 0x01, 0x01);  \
 103         RTS51X_DEBUGP("Catch trigger!\n");                      \
 104 } while (0)
 105
 106 #else
 107 #define RTS51X_DUMP(buf, buf_len)
 108 #define CATCH_TRIGGER(chip)
 109 #endif
 110
 111 #endif /* __RTS51X_TRACE_H */